Problems

	Submissions				Users
Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
0-1 Sequences	10024	1506	15%	0.00	1992	1030	52%	5.8
10 Kinds of People	23469	4789	20%	0.01	4039	2928	72%	4.7
2048	9517	4383	46%	0.00	4207	3609	86%	2.3
2, 4, 6, Greaaat	572	89	16%	0.15	55	30	55%	9.0
3D Printed Statues	12226	5640	46%	0.00	5233	4698	90%	1.9
3D Printer	881	149	17%	0.00	362	113	31%	8.8
3-Sided Dice	2665	218	8%	0.00	434	155	36%	8.6
4 thought	10706	3632	34%	0.00	3535	2981	84%	2.4
A1 Paper	6085	1828	30%	0.00	1800	1434	80%	3.6
Aaah!	32019	14879	46%	0.00	13314	12428	93%	1.5
Abandoned Animal	2221	481	22%	0.03	559	406	73%	5.2
ABC	16408	7477	46%	0.00	7051	6393	91%	2.0
Ab Initio	1400	243	17%	0.09	205	120	59%	7.9
Above Average	10959	4505	41%	0.00	4340	3885	90%	2.1
A+B Problem	8809	863	10%	0.03	1234	411	33%	8.4
A Brief Gerrymander	502	102	20%	0.12	91	44	48%	8.8
Abstract Art	395	128	32%	0.00	106	82	77%	5.4
Abstract Painting	539	221	41%	0.00	187	149	80%	4.5
Absurdistan Roads II	669	228	34%	0.00	224	150	67%	6.9
Absurdistan Roads III	1641	472	29%	0.02	445	338	76%	5.6
Access Points	450	157	35%	0.01	149	115	77%	5.9
Accounting	656	261	40%	0.02	188	149	79%	4.0
A Classy Problem	11171	2892	26%	0.01	2512	1940	77%	4.3
ACM Contest Scoring	7651	4790	63%	0.00	4278	4039	94%	1.5
Add 'Em Up!	1552	404	26%	0.01	416	303	73%	4.7
Adding Words	12416	3050	25%	0.00	2914	2284	78%	3.5
A Different List Game	7332	510	7%	0.00	947	184	19%	9.3
A Different Problem	36128	13297	37%	0.00	12189	10564	87%	2.4
Adjoin the Networks	2308	609	26%	0.00	514	408	79%	5.7
Administrative Difficulties	1519	304	20%	0.03	329	226	69%	6.2
Ads	778	69	9%	0.00	131	46	35%	6.0
Advanced Causal Measurements	124	39	31%	0.10	37	30	81%	6.7
Adventure Begins	301	94	31%	0.06	100	75	75%	5.4
Adventures in Moving -- Part IV	1614	362	22%	0.00	309	262	85%	4.5
A Favourable Ending	1826	489	27%	0.00	457	355	78%	4.5
A Feast For Cats	2946	1114	38%	0.00	789	675	86%	3.8
A Flea on a Chessboard	851	171	20%	0.01	180	124	69%	5.4
A Horse Shoe-In	85	8	9%	0.45	13	7	54%	8.2
AI Jeopardy	460	52	11%	0.02	56	39	70%	7.0
Air Conditioned Minions	6009	1737	29%	0.00	1805	1378	76%	4.0
Airline Hub	2258	500	22%	0.01	437	261	60%	6.6
Airport Coffee	976	208	21%	0.08	199	141	71%	6.9
Airport Construction	3571	455	13%	0.02	385	205	53%	7.7
Airport Logistics	67	15	22%	0.00	22	15	68%	7.4
Airports	508	155	31%	0.11	136	99	73%	6.7
Akcija	8519	3841	45%	0.00	3485	3116	89%	1.9
Aladin	788	78	10%	0.10	131	30	23%	8.6
Alchemy	153	32	21%	0.02	40	23	57%	7.9
Alea iacta est	45	16	36%	0.19	20	15	75%	6.6
Alehouse	331	118	36%	0.03	102	74	73%	6.4
Alex and Barb	684	229	33%	0.00	270	204	76%	3.5
Alice in the Digital World	5497	1368	25%	0.01	1238	982	79%	3.6
Alien Codebreaking	272	16	6%	3.23	46	13	28%	8.7
Alien Numbers	2679	1423	53%	0.00	1385	1270	92%	1.9
A List Game	9742	2913	30%	0.00	2784	2348	84%	2.9
All about that base	3036	1214	40%	0.00	1178	996	85%	2.9
All Different Directions	1556	698	45%	0.00	659	585	89%	2.6
Allergy Test	603	155	26%	0.00	191	96	50%	7.7
All Friends	1098	207	19%	0.00	189	101	53%	8.8
All is Well	91	28	31%	0.03	26	24	92%	4.6
All Just A Dream	2399	617	26%	0.05	464	360	78%	5.0
All Kill	59	46	78%	0.00	37	31	84%	4.7
Alloys	476	155	33%	0.00	170	139	82%	4.3
All Pairs Shortest Path	12057	2271	19%	0.00	1435	1031	72%	5.2
Almost Perfect	9874	2269	23%	0.00	2370	1890	80%	3.1
Almost Union-Find	8606	1497	17%	0.02	1390	817	59%	5.7
Alphabet	2098	1075	51%	0.00	1023	867	85%	3.1
Alphabet Animals	2964	896	30%	0.00	832	682	82%	3.1
Alphabet Spam	9473	5881	62%	0.00	4895	4702	96%	1.4
Alternating Current	636	621	98%	0.00	101	100	99%	1.3 - 7.8
Alternative Anagram	211	76	36%	0.00	61	50	82%	6.0
Alternative Bracket Notation	211	91	43%	0.00	97	81	84%	5.0
Altruistic Amphibians	487	128	26%	0.22	110	81	74%	5.4
Amalgamated Artichokes	4555	2047	45%	0.01	1802	1586	88%	2.6
Amanda Lounges	1625	479	29%	0.03	423	341	81%	5.3
A Mazing!	3637	984	27%	0.09	364	272	75%	5.5
Amazing Adventures	396	109	28%	0.02	125	89	71%	6.4
Amazing Race	398	100	25%	0.29	105	74	70%	7.2
Ambiguous Result	271	61	23%	0.02	92	58	63%	7.6
Amsterdam Distance	1851	880	48%	0.00	911	768	84%	2.7
A Multiplication Game	1058	432	41%	0.00	456	357	78%	4.2
Anagram Counting	4277	1691	40%	0.00	1631	1378	84%	2.7
Andrew the Ant	360	101	28%	0.05	110	85	77%	4.2
A New Adventure	1311	197	15%	0.00	204	144	71%	5.8
A New Alphabet	12433	5610	45%	0.00	5241	4839	92%	1.8
An I for an Eye	973	288	30%	0.00	323	247	76%	4.5
Animal Classification	1625	378	23%	0.03	323	216	67%	6.8
An Industrial Spy	1993	1092	55%	0.02	859	752	88%	2.9
Another Brick in the Wall	3731	1899	51%	0.00	1848	1688	91%	2.0
Another Candies	9087	2518	28%	0.00	2569	2144	83%	2.5
Another Coin Weighing Puzzle	461	134	29%	0.00	111	95	86%	4.8
Another Dice Game	113	74	65%	0.00	71	62	87%	4.3
Another Query on Array Problem	1816	230	13%	0.05	363	163	45%	7.8
Antenna Placement	175	72	41%	0.00	59	44	75%	6.9
Anthony and Cora	1036	280	27%	0.00	325	221	68%	5.6
Anthony and Diablo	3862	1417	37%	0.00	1417	1241	88%	2.4
Antiarithmetic?	1859	334	18%	0.01	416	235	56%	7.5
Ants	4308	1926	45%	0.00	1573	1373	87%	2.6
Apaxiaaaaaaaaaaaans!	15379	9179	60%	0.00	8186	7809	95%	1.5
Apostrophe Catastrophe	128	31	24%	0.00	35	22	63%	6.8